Improvement in combined try-square, calipee



initcd gime @we one. if v WLLLIAM J. LIN-Ton, oir-DETROIT, MICHIGAN.

Letters Patent No. 95,495, dated October 5, 1869 antodated September 20, 1869.

'IMPROVEMENT 1N coMEINEn TRY-SQUARE, cALIPER, aac.

The Schedule referred to in Akinase Letters Patentand making part of the same.

1n orde'r to accomplish this, end, I make a square,n

with thelong arm A at right angles with the short arm 13, prolonging the longann as at C, and cutting it" at a proper angle, D',fivitl/the short arm B,'to get the accurate angle of a six-,sided bolt-bead 'or lult, or other similar work,

Pivoted atE are the arms F of the caliper, while the arms A and B may begraduated into inches and fractions, if desired. y

By the useyoil a tool constructed in this way, it ywill -be found extremely useful in itting either square or six-sided bolts, nuts, and in fitting keys.

What-I claim Vas my invention, and desire torsecure t 'byLetters Patent, -is- The .combination of a try-square, rule, caliper, and

`instrurnent for determining 'the angles of six-sided Work, into one tool, constructed as herein substantially 'shown and described.- Witnesses: W. J. LINTON. 

